Skip to content
Know before you taxi

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Your shortcuts, saved on this device. Search to add an airport.

No airports saved yet. Add the fields you visit most.

Ask ATIS

Roundup Airport (KRPX) Area Aviation Weather & Runway Winds

As of 12:53 PM MDT, Oct 28, based on the nearest station (KBIL), KRPX is currently VFR with winds from 240° at 11 knots, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Roundup Airport in Roundup, MT, decoded from the nearest reporting station (KBIL): conditions and runway crosswinds.

Roundup Airport (KRPX) is a general aviation airport serving pilots in and around Roundup, MT at a field elevation of 3,490 ft. KRPX has no weather station of its own. Conditions here are decoded from KBIL, about 40 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (07/25, 16/34), the longest 5,099 ft. The nearest TAF is issued for KBIL.

Ask ATIS AIAsk anything about KRPX's weather, runways or delays, or search another airport.
VFR
Observed 1853Z (12:53 PM MDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KBIL, 40 nm away.

Wind
240° 11 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
29.98"
Temp / Dew
54°F / 12°C
dew 23°F / -5°C

Wind from the west-southwest (240°) at 11 kt, visibility 10+ statute miles, a few clouds at 6,000 ft, temperature 12°C (54°F), altimeter 29.98 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KBIL 281853Z 24011KT 10SM FEW060 12/M05 A2998 RMK AO2 SLP157 T01221050

What changed at KBIL (nearest station)?

Since the 1753Z (11:53 AM MDT) report, compared automatically against the latest METAR.

  • Wind direction moved from 210° to 240°.

Current pilot readout for KRPX

Based on the nearest station (KBIL), KRPX is currently VFR with winds from 240° at 11 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors west-facing runway ends (25). Density altitude is approximately 3,900 ft (field elevation 3,490 ft). Review the latest TAF below for forecast changes before departure.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
25FAV10 kt head3 kt left
163 kt head10 kt right
343 kt tail10 kt left
0710 kt tail3 kt right

Open the crosswind calculator to try your own wind and runway numbers →

KRPX runways

2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 07/25
    5,099 × 75 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KRPX
    Wind
    07
    10 kt tailwind · 3 kt crosswind from right
    25
    10 kt headwind · 3 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 16/34
    2,460 × 100 ft · GRS
    Status not monitored
    Current use
    no stated-runway source at KRPX
    Wind
    16
    3 kt headwind · 10 kt crosswind from right
    34
    3 kt tailwind · 10 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0173319Z07Z18Z

Over the last 23 h: wind 16→11 kt, ceiling unlimited → unlimited.

KRPX weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KRPX

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP1757Z (11:57 AM MDT) · 66 NM S of KRPX · 40,000 ft MSL · A339
Show raw report
BIL UA /OV BIL210030/TM 1757/FL400/TP A339/RM MTW +/-10 KTS /ZLC
BIL UAHeader: reporting station and UA: a routine pilot report.
OV BIL210030Location: fix or navaid, optionally with a radial and distance in NM.
TM 1757Reported at 17:57 UTC.
FL400Altitude: 40,000 ft MSL.
TP A339Aircraft type reporting.
RM MTW +/-10 KTS /ZLCRemarks.
PIREP1644Z (10:44 AM MDT) · 87 NM SW of KRPX · 35,000 ft MSL · A21N
moderate 350 /zlc turbulence
Show raw report
BZN UA /OV BZN074033/TM 1644/FL350/TP A21N/TB MOD 350 /ZLC
BZN UAHeader: reporting station and UA: a routine pilot report.
OV BZN074033Location: fix or navaid, optionally with a radial and distance in NM.
TM 1644Reported at 16:44 UTC.
FL350Altitude: 35,000 ft MSL.
TP A21NAircraft type reporting.
TB MOD 350 /ZLCTurbulence: moderate 350 /zlc.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at KRPX

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KBIL reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 29 kt. Wind most often came from the SW.

Last 24 hours
VFR 100%
Wind avg/max: 11/21 kt
Max gust: 29 kt
Lowest ceiling: -
Lowest vis: -
Prevailing wind: SW
Category changes: 0
Last 7 days
VFR 98%MVFR 1%IFR 1%LIFR 1%
Wind avg/max: 7/23 kt
Max gust: 33 kt
Lowest ceiling: 300 ft
Lowest vis: 3 sm
Prevailing wind: SW
Category changes: 5

Most recent change: LIFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

25
48%
34
22%
07
19%
16
11%

TAF | Terminal Aerodrome Forecast

Issued 1720Z (11:20 AM MDT)

TAF KBIL 281720Z 2818/2918 23012KT P6SM FEW100 FM282300 VRB06KT P6SM FEW150

New to TAFs? How to read one →

Get KRPX weather alerts in Telegram

Stop refreshing aviation weather manually. Track KRPX in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

Track KRPX free on Telegram

No live weather from KRPX

Live crosswind meter

KRPX has no weather feed online, so the wind comes from KBIL, 40 nm away.

N250711 kt
Headwind
10 kt
Crosswind (from the left)
3 kt

Wind is 18° off runway 25, the end with the most headwind right now.

Have a weather station at KRPX? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Asphalt · 5,099 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Roundup Airport (KRPX) with runway 07/25, 16/34 marked
N ↑

Runway 07/25, 16/34 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Jet A-1
Attended
Unattended
Repairs
Airframe & engine, major
Transient parking
Tie-downs · Hangars
Landing fee
No
Other services
Crop dusting · Charter · Flight instruction · Parachute jumping · Aircraft rental · Annual surveying
Control tower
None
Wind indicator
Lighted

Airport

Type
General aviation airport
ICAO
KRPX
IATA
RPX
FAA LID
RPX
City
Roundup
State
Montana
Country
United States
Elevation
3,490 ft
Coordinates
46.4751, -108.5415
Runways
2 physical runways · 4 runway ends
Longest runway
5,099 ft
Weather reporting
Nearest station KBIL
TAF
Nearest KBIL
Time zone
America/Denver
Sunset in
4h 45m

Run a flight school, FBO, or club here? Embed KRPX's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

VFRMVFRIFRLIFRNo report
See all Montana airports →

Customize your RPX shirt or mug

RPX's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

Shop RPX merch

Pilot PIREPs for Roundup Airport (KRPX)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Roundup Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for KRPX yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

Spotted incorrect airport info? ✏️ Suggest an edit

How ATIS Alerts works · All US airports · Montana airports